Finding the Fourth Proportional to 519,958.14, 717,556.95 and 293,637.66
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Solution
The fourth proportional to 519,958.14, 717,556.95 and 293,637.66 is: 405,228.28
Step by Step Solution
- Step 1: Write the proportion equation
519,958.14 : 717,556.95 = 293,637.66 : x - Step 2: Convert to fraction form
519,958.14/717,556.95 = 293,637.66/x - Step 3: Cross multiply
519,958.14x = 717,556.95 × 293,637.66 - Step 4: Simplify right side
519,958.14x = 210,701,743,714.74 - Step 5: Solve for x
x = 210,701,743,714.74/519,958.14 - Step 6: Final answer
x = 405,228.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.